byte[] released = response.releaseBuffer();
        assertSame(buffer, released);
        assertEquals(0x42, released[0]);
        assertEquals(0x43, released[1]);

        // After release, getting buffer again should return null
        assertNull(response.releaseBuffer());
    }

    @Test
    @DisplayName("Test subCommand getter and setter")
    void testSubCommandGetterSetter() {
        byte subcommand = (byte) 0x05;

        try {
            ruleManager.addRule(-1, rule2);
            fail("Should throw IndexOutOfBoundsException for negative index");
        } catch (IndexOutOfBoundsException e) {
            // Expected
        }

        try {
            ruleManager.addRule(5, rule2);
            fail("Should throw IndexOutOfBoundsException for index > size");
        } catch (IndexOutOfBoundsException e) {

     * lu/GJQZoU9lDrCPeUcQ28tzOWw==
     * -----END PRIVATE KEY-----
     * ```
     *
     * The string should contain exactly one certificate and one private key in [PKCS #8][rfc_5208]
     * format. It should not contain any other PEM-encoded blocks, but it may contain other text
     * which will be ignored.
     *

   * strings. The map's keys are lowercase and should be treated case-insensitively.
   */
  @get:JvmName("authParams")
  val authParams: Map<String?, String>

  /** Returns the protection space. */
  @get:JvmName("realm")
  val realm: String?
    get() = authParams["realm"]

  /** The charset that should be used to encode the credentials. */
  @get:JvmName("charset")
  val charset: Charset

        setField(transport, "socket", s);

        // Act & Assert
        assertFalse(transport.isDisconnected());
        assertFalse(transport.isFailed());

        // Close socket -> both should be true
        when(s.isClosed()).thenReturn(true);
        assertTrue(transport.isDisconnected());
        assertTrue(transport.isFailed());
    }

    @Test

        byte[] buffer = new byte[50];
        int used = nullPathCmd.writeBytesWireFormat(buffer, 0);
        // Should write command byte + null terminator only
        assertEquals(2, used, "Null path should result in command byte + NUL");
        assertEquals(0x04, buffer[0] & 0xFF, "First byte must still be 0x04");
        assertEquals(0, buffer[1], "Second byte must be null terminator");

  val tagClass: Int,
  /** The tag this adapter expects, or -1 to match any tag. */
  val tag: Long,
  /** Encode and decode the value once tags are handled. */
  private val codec: Codec<T>,
  /** True if the default value should be used if this value is absent during decoding. */
  val isOptional: Boolean = false,
  /** The value to return if this value is absent. Undefined unless this is optional. */
  val defaultValue: T? = null,

        // Test that フュ correctly maps to "fyu" only (not "hyu")
        List<String> results = converter.convert("フュ", null);
        assertTrue(results.contains("fyu"));
        assertFalse("Should not contain 'hyu' (that's for ヒュ)", results.contains("hyu"));
    }

    public void test_convertEmptyString() {
        List<String> results = converter.convert("", null);
        assertNotNull(results);

        URL url1 = new URL(null, "smb://host1/share1", handler);
        URL url2 = new URL(null, "smb://host2/share2", handler);

        // Both should use the same handler instance
        assertNotNull(url1);
        assertNotNull(url2);

        // Protocol should be consistent
        assertEquals(url1.getProtocol(), url2.getProtocol());
        assertEquals("smb", url1.getProtocol());
    }

import java.util.Map;
import java.util.Map.Entry;
import java.util.Objects;
import org.jspecify.annotations.Nullable;

/**
 * A map entry which forwards all its method calls to another map entry. Subclasses should override
 * one or more methods to modify the behavior of the backing map entry as desired per the <a
 * href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 *